/Engine/Plugins/Enterprise/DataprepEditor/Source/DataprepCore/Public/DataprepActionAsset.h
Allow an observer to be notified when a step was edited (the step itself or a sub object of it)
The event that will be broadcasted
[FOnStepWasEdited](API\Plugins\DataprepCore\FOnStepWasEdited) & GetOnStepWasEdited()